Trailer Brake Control Module
Description and Operation
Testing and Inspection- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Test A: No Communication With The Trailer Brake Control (TBC) Module
- Test B: DTCS B1317 and B1318 - Battery Voltage High/Low
- Test C: DTCS C2797, C2798, C2800, C2801 and C2803 - Brake Pressure Transducer Circuit Failure
- Test D: DTCS C2806, C2807 and C2808 - Trailer Brakes Circuit Failure
- Test E: The Trailer Brake Control (TBC) Module Is Inoperative
- Test F: The Trailer Brakes Are Inoperative
- Test G: The Trailer Brakes Are Always Engaged
Service and Repair
Diagrams
Tools and Equipment